43 lines
1.3 KiB
Ruby
43 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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class BlacklistedEmailValidator < ActiveModel::Validator
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def validate(user)
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return if user.valid_invitation? || user.email.blank?
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user.errors.add(:email, :blocked) if blocked_email_provider?(user.email, user.sign_up_ip)
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user.errors.add(:email, :taken) if blocked_canonical_email?(user.email)
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end
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private
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def blocked_email_provider?(email, ip)
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disallowed_through_email_domain_block?(email, ip) || disallowed_through_configuration?(email) || not_allowed_through_configuration?(email)
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end
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def blocked_canonical_email?(email)
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CanonicalEmailBlock.block?(email)
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end
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def disallowed_through_email_domain_block?(email, ip)
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EmailDomainBlock.block?(email, attempt_ip: ip)
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end
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def not_allowed_through_configuration?(email)
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return false if Rails.configuration.x.email_domains_whitelist.blank?
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domains = Rails.configuration.x.email_domains_whitelist.gsub('.', '\.')
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regexp = Regexp.new("@(.+\\.)?(#{domains})$", true)
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email !~ regexp
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end
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def disallowed_through_configuration?(email)
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return false if Rails.configuration.x.email_domains_blacklist.blank?
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domains = Rails.configuration.x.email_domains_blacklist.gsub('.', '\.')
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regexp = Regexp.new("@(.+\\.)?(#{domains})", true)
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regexp.match?(email)
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end
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end
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